CN105834028B - Rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method - Google Patents
Rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method Download PDFInfo
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- CN105834028B CN105834028B CN201410479961.5A CN201410479961A CN105834028B CN 105834028 B CN105834028 B CN 105834028B CN 201410479961 A CN201410479961 A CN 201410479961A CN 105834028 B CN105834028 B CN 105834028B
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Abstract
The present invention relates to rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method, which includes bottom mobile platform, spraying equipment and tank rolling equipment；The spraying equipment is arranged on the bottom mobile platform, can move on the bottom mobile platform, and the tank rolling equipment is arranged on the bottom mobile platform, and tank is assemblied on the tank rolling equipment.The system uses spirally, reciprocating or pulsed spraying process when spraying cylinder section；Bottom sprays automatically takes tank continuously and smoothly to rotate, the technique of spray gun segmentation spraying.The present invention relates to rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method are high-efficient, high-quality.
Description
Technical field
The present invention relates to automatic spraying equipment and spraying process, and in particular to a kind of rocket Cryogenic tank heat insulation layer sprays automatically
Painting system and spraying method.
Background technique
The liquid propellant Cryogenic tank of carrier rocket is needed in tank surface spraying polyurethane heat insulating coat to avoid storage
Pressure is excessive in case sets off an explosion.Cryogenic tank size is larger, and length is generally at 5-10 meters, and diameter is generally at 3 meters or so, tradition
Technique uses hand spray, usually has unstable, low efficiency of more appropriation of labour power, large labor intensity, coating quality etc. that can not keep away
The problem of exempting from, the factor that coating quality is artificially controlled are affected, and such as transport speed, the distance of spraying, quantity for spray, use of rifle
Spraying method and worker technical level, and hand spray environmental hazard health of human body.
Summary of the invention
The purpose of the present invention is to provide a kind of rocket Cryogenic tank heat insulation layer automatic spraying system and spraying methods, realize
Automatic spraying process, coating quality is good, spray efficiency is high, saves a large amount of time and labour.
To achieve the above object, the present invention provides a kind of rocket Cryogenic tank heat insulation layer automatic spraying system, special
Sign is, including bottom mobile platform, spraying equipment and tank rolling equipment；The spraying equipment include transmission guiding rail,
Driving device, carrying platform, rotating arm, spray gun, telescope motor, rotation of worm gear screw rod, rotating electric machine and power control cabinet；It is described automatically controlled
Cabinet setting is connect on the carrying platform, and respectively with the driving device, telescope motor and rotating electric machine；The transmission is led
Direction guiding rail is mounted on the bottom mobile platform, and the carrying platform is arranged on the transmission guiding rail, the driving
Device is arranged on the carrying platform, and the driving device is for driving the carrying platform in the transmission guiding rail
It is mobile；For described rotating arm one end hinge on the carrying platform, rotation of worm gear screw rod one end hinge is flat in the carrying
On platform, the other end and the rotating arm hinge, the telescope motor are connect with the rotation of worm gear screw rod, described for controlling
Rotation of worm gear screw rod is flexible, to adjust the rotation angle of the rotating arm；The spray gun is mounted on the rotating arm, the rotation
Rotating motor is connect with the spray gun, for controlling the spray gun rotation；The tank rolling equipment includes drive part, gear rolling
Rotating ring and support base；The support base is mounted on the bottom mobile platform；The spur roller gear ring movable supporting is described
On support base；The drive part is connect with the spur roller gear ring, for driving the spur roller gear ring to rotate, and drives storage
Case rotates together.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the bottom mobile platform include rack platform,
Guide rail and driving mechanism, the rack platform can move under the driving effect of the driving mechanism along the guide rail.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the rack platform includes main body rack and can
Removal bracket, the detachable bracket are stitched together with main body rack, and the detachable bracket can be with the main body rack point
From；The main body rack can move under the driving effect of the driving mechanism along the guide rail.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the bottom of the main body rack and detachable bracket
Portion is equipped with auxiliary support wheel.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the rack platform is network.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the support base includes support underframe and two
Support, the support underframe are mounted on the bottom mobile platform, and described two supports are mounted on the support underframe；Institute
Support is stated equipped with idler wheel.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the spur roller gear ring includes rolling ring and big
Gear, the gear wheel are mounted on the rolling ring, and the rolling ring is supported on two supports of the support base.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the outer diameter of the gear wheel is less than the rolling
The outer diameter of ring.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, wherein the drive part includes servo motor, slows down
Machine and gear pair, the servo motor are located at lower section in the middle part of tank cylinder section, and the servomotor, gear reducer, gear pair successively connect
It connects, the gear pair is connect with the spur roller gear ring.
A kind of rocket Cryogenic tank heat insulation layer automatic painting method, rocket low temperature when another technical solution provided by the invention
Tank includes preceding bottom, cylinder section and rear cabinet bottom, using above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system, the spraying method
Spirally, reciprocating or pulsed spraying process are used when spraying cylinder section；In spirally spraying process, spray gun is axially made along tank
It at the uniform velocity moves back and forth, tank is circumferentially at the uniform velocity rotated along it, and the axial movement of spray gun and the rotary motion of tank carry out simultaneously, in cylinder
The position of former and later two ends of section sprays the spray gun setting residence time, to reach thickness requirement；Reciprocating spraying process
In, spray gun is axially moved along tank, after spray gun moves to the other end from cylinder section one end, is automatically closed, tank rotates in a circumferential direction along it
Certain angle, then spray gun is then turned on and returns from the cylinder section other end, and so on；In pulsed spraying process, spray gun is along storage
Case is axially moved, and from cylinder section one end to the other end, spray gun is often moved a certain distance, and tank rotates in a circumferential direction one week along it, and spray gun moves
It is in relation condition when dynamic；When spraying preceding bottom and rear cabinet bottom, tank uniform rotation, spray gun is static on contour, and a circle has sprayed
Afterwards, spray gun is moved on next contour, then sprays a circle, and so on, it is completed until bottom sprays.
Above-mentioned rocket Cryogenic tank heat insulation layer automatic painting method, wherein when spraying preceding bottom and rear cabinet bottom, spray gun is being moved
Along the double-curved profile of forward and backward bottom during dynamic, spray gun discharging direction is the bi-curved normal direction of forward and backward bottom.
Rocket Cryogenic tank heat insulation layer automatic spraying system of the invention and spraying method control spray gun using spraying equipment
Movement, spraying direction and spray parameters are rotated using tank rolling equipment control tank, so that automatic spraying process is realized,
Time and labour is greatly saved, improves efficiency, accurately controls technical process due to spraying automatically, greatly reduces artificial
Factor influences, and therefore, substantially increases coating quality.
Detailed description of the invention
Rocket Cryogenic tank heat insulation layer automatic spraying system of the invention and spraying method are by examples and drawings below
It provides.
Fig. 1 is the structural schematic diagram of the rocket Cryogenic tank heat insulation layer automatic spraying system of present pre-ferred embodiments.
Fig. 2 is the schematic diagram of bottom mobile platform in present pre-ferred embodiments.
Fig. 3 is the schematic diagram of spraying equipment in present pre-ferred embodiments.
Fig. 4 is the schematic diagram of carrying platform in present pre-ferred embodiments.
Fig. 5 is the schematic diagram of tank rolling equipment in present pre-ferred embodiments.
Fig. 6 is the schematic diagram of support base in present pre-ferred embodiments.
Fig. 7 is the schematic diagram of present pre-ferred embodiments middle gear rolling ring.
Fig. 8 is the schematic diagram of tank rolling equipment drive part in present pre-ferred embodiments.
Fig. 9 is the schematic diagram of rocket level-one tank.
Figure 10 is cylinder section spirally spraying process spray gun path schematic diagram in the present invention；
In figure,V: spray gun is axially moved speed；v: tank rotates in a circumferential direction angular speed；L: the distance between spray gun and tank；d: spray gun discharging amplitude；d’: overlapping sector width.
Figure 11 is cylinder section reciprocating spraying process spray gun path schematic diagram in the present invention；
In figure,V: spray gun is axially moved speed；α: the circumferential rotation angle every time of tank；L: spray gun and workpiece distance；d: spray
Rifle discharging breadth；d’: overlapping sector width.
Figure 12 is cylinder section pulsed spraying process spray gun path schematic diagram in the present invention；
In figure,L: spray gun and workpiece distance；d: spray gun discharging breadth；d’: overlapping sector width；ν: tank rotate in a circumferential direction angle speed
Degree.
Figure 13 is forward and backward case spraying process spray gun path schematic diagram in the present invention.
Specific embodiment
Below with reference to Fig. 1~Figure 13 to rocket Cryogenic tank heat insulation layer automatic spraying system of the invention and spraying method
It is described in further detail.
Referring to Fig. 1, the rocket Cryogenic tank heat insulation layer automatic spraying system of present pre-ferred embodiments includes that bottom is mobile
Platform 1, spraying equipment 2 and tank rolling equipment 3, the spraying equipment 2 are arranged on the bottom mobile platform 1, can be in institute
It states and is moved on bottom mobile platform 1, the tank rolling equipment 3 is arranged on the bottom mobile platform 1, and tank 4 is assemblied in
On the tank rolling equipment 3.
Referring to fig. 2, the bottom mobile platform 1 includes rack platform, guide rail (not shown) and driving mechanism, the branch
Body panel can move under the driving effect of the driving mechanism along the guide rail.
Preferably, the rack platform is network, security protection can be reinforced, facilitate maintenance.
Preferably, the rack platform includes main body rack 11 and detachable bracket 12, the detachable bracket 12 with it is main
Body support frame 11 is stitched together, and the detachable bracket 12 can be separated with the main body rack 11.The bottom of the main body rack 11
Portion is equipped with wheel 13 and auxiliary support wheel 14, and the bottom of the detachable bracket 12 is equipped with and is also equipped with auxiliary support wheel 14, described
Auxiliary support wheel 14 is to reinforce the stability of the bottom mobile platform 1 in the process of running.Preferably, the driving mechanism
Including the driving chain (not shown) between motor 15 and each wheel 13, the motor 15 drives one group of wheel 13 to rotate,
Remaining wheel 13 is driven to rotate by driving chain, to realize movement of the rack platform on the guide rail.
Preferably, the main body rack 11 and detachable bracket 12 are spliced by multistage bracket, and in the present embodiment, institute
Stating main body rack 11 and detachable bracket 12 has 4 sections of brackets, has 4 auxiliary support wheels in the bottom of each section of bracket
14, it is distributed on four apex angles.
In the present embodiment, the bottom mobile platform 1 is 16 meters long, 5.01 meters wide.
Referring to Fig. 3 and Fig. 4, the spraying equipment 2 includes transmission guiding rail 21, driving device, carrying platform 22, rotation
Arm 23, spray gun 24, telescope motor 25, rotation of worm gear screw rod 26, rotating electric machine 27 and power control cabinet 28；The setting of power control cabinet 28 exists
On the carrying platform 22, and it is connect respectively with the driving device, telescope motor 25 and rotating electric machine 27；The transmission guiding
Guide rail 21 is fixedly mounted on the detachable bracket 12 of the bottom mobile platform 1, and the carrying platform 22 is arranged in the biography
On action-oriented guide rail 21, the driving device is arranged on the carrying platform 22, and the driving device is for driving described hold
Carrying platform 22 moves on the transmission guiding rail 21；23 one end hinge of rotating arm is on the carrying platform 22, institute
26 one end hinge of rotation of worm gear screw rod is stated on the carrying platform 22, the other end and 23 hinge of rotating arm are described to stretch
Contracting motor 25 is connect with the rotation of worm gear screw rod 26, and the telescope motor 25 is stretched for controlling the rotation of worm gear screw rod 26
Contracting, to adjust the rotation angle of the rotating arm 23；The spray gun 24 is mounted on the rotating arm 23, the rotating electric machine 27
It is connect with the spray gun 24, the rotating electric machine 27 is rotated for controlling the spray gun 24.
Referring to fig. 4, the spraying equipment 2 further includes spray coating foaming device 29, and the spray coating foaming device 29 is mounted on institute
It states on carrying platform 22.
Referring to fig. 4, preferably, the driving device includes servo motor.The rotating arm 23 uses hinge bracket structure.
In the present embodiment, 22 scale of carrying platform is 2500mm × 1500mm, and the spray gun 24 is in tank cylinder Duan Fang
Upward effective spraying stroke is 11m, and maximum spraying radius is 3.35m, and the distance maximum of spray gun 24 to tank surface is reachable
800mm。
Change position of the spray gun 24 on rotating arm 23, the tank of different-diameter is suitable for, for example, the automatic spray
Unite sprayable 3350 diameter of φ 2250 diameter of tank and φ tank.
The axis of the distance between spray gun 24 and workpiece, spray gun 24 is adjusted by the control software systems of the power control cabinet 28
To displacement, the cooperation of switch, Switch of spray pistol and the tank rotation of spray gun 24 is controlled, determines the zero-bit of spray gun 24.
In the present embodiment, it is 0.2m/min ~ 1.1m/min that spray gun 24, which is axially moved speed, and precision 0.01m/min, speed can
It adjusts.
In the present embodiment, spraying tank diameter range is 2.25m ~ 3.35m；Spray gun and tank surface distance 0.3m ~
It is adjustable within the scope of 1.0m；Performance is stablized, strong interference immunity, degree of reliability >=5000h.
Referring to Fig. 5, the tank rolling equipment 3 includes drive part 31, spur roller gear ring 32 and support base 33；The branch
Support seat 33 is mounted on the main body rack 11 of the bottom mobile platform 1；32 movable supporting of spur roller gear ring is in the branch
It supports on seat 33；The drive part 31 is connect with the spur roller gear ring 32, and the drive part 31 is for driving the gear
Rolling ring 32 rotates；The spur roller gear ring 32 drives tank together for assembling tank, the rotation of the spur roller gear ring 32
Rotation.
Referring to Fig. 6, preferably, the support base 33 includes support underframe 331 and two supports 332, the support underframe
331 are mounted on the main body rack 11 of the bottom mobile platform 1, and described two supports 332 are mounted on using screw and pin shaft
On the support underframe 331.Adjusting the distance between described two supports 332 can be used for the tank of different-diameter.The support
332 are equipped with idler wheel 333, set that there are four holes for hoist 334 on the support underframe 331, for meeting equipment hoisting requirement.
The tank rolling equipment 3 includes two support bases 33, and adjusting the distance between two support bases 33 can be used for not
With the tank of length.
In the present embodiment, the support underframe 331 is welded using channel steel, and described two supports 332 are all made of steel plate
It is welded.
Referring to Fig. 7, preferably, the spur roller gear ring 32 includes rolling ring 321 and gear wheel 322, the gear wheel 322
It is mounted on the rolling ring 321 using screw and pin shaft, the rolling ring 321 is supported on two of the same support base 33
On support 332, the outer ring of the rolling ring 321 is bonded with the idler wheel 333 on the support 332, the center dress of the idler wheel 333
Equipped with bearing, guarantee smooth rolling between the rolling ring 321 and idler wheel 333.
Preferably, the outer diameter of the gear wheel 322 is less than the outer diameter of the rolling ring 321, to guarantee the rolling
Fluent motion between ring 321 and the support 332, no serious friction loss.In the present embodiment, the outer diameter of the gear wheel 322
Outer diameter than the rolling ring 321 is 5mm small.
Due to being relatively large in diameter for the gear wheel 322, integral manufacturing difficulty of processing is big, therefore can be divided into gear wheel more
Section is processed, and is positioned between adjacent two sections using tongue and groove, annular circular bosses is arranged on the rolling ring 321, in every section of tooth
The arc round recessed to match with the annular circular bosses is set on wheel, which guarantees gear wheel circularity after the assembly is completed
Meet required precision.
Preferably, being carved with quadrant markers on the rolling ring 321, the dislocation of hole location when assembly tank can avoid；The rolling
4 shackles are housed on rotating ring 321, can satisfy the lifting requirements when spur roller gear ring 32 is assembled with tank；The rolling
321 inner ring hole location of ring press tank layout design, guarantee is coupled with tank it is smooth, cooperate closely.
Preferably, position and fix using two pins, three screw pattern between the gear wheel 322 and the rolling ring 321,
It can guarantee precision and intensity requirement in this way.
Referring to Fig. 8, the revolving speed requirement for comprehensively considering tank rolling equipment 3 is relatively low, it is desirable that frequency control, rotation are minimum
Angle changing rate is small, and tank needs to park at an arbitrary position, and tank has situations such as eccentric, to be unable to hard reboot, preferably, described
Drive part 31 includes servo motor 311, speed reducer 312 and gear pair 313, and the servo motor 311 is located in tank cylinder section
Below portion, the servo motor 311, speed reducer 312, gear pair 313 are sequentially connected, and the gear pair 313 is rolled with the gear
The gear wheel 322 of rotating ring 32 connects, and the driving force of the servo motor 311 is made jointly in the speed reducer 312 and gear pair 313
The gear wheel 322 is passed to lower deceleration, the gear wheel 322 is driven to rotate.
In the present embodiment, circumferentially rotation speed is 2r/min ~ 7r/min, precision 0.1r/min to tank, and rotation speed is adjustable.
When tank length is long, the transmission shaft 314 of the gear pair 313 can be used two sections combination forms, two sections
It is connected between axis using Hooks coupling universal coupling, and the intermediate position of every section of axis is using the support frame being mounted on bottom mobile platform 1
315 supports, so that stable transmission is smooth.
Referring to Fig. 9, rocket level-one tank includes preceding bottom 42, cylinder section 41,43 three parts of rear cabinet bottom, is sprayed on tank surface
Heat insulation layer takes first whole large area to spray automatically, and the overall process scheme of rear craft local repair spray, whole large area sprays automatically
Using above-mentioned rocket Cryogenic tank heat insulation layer automatic spraying system.
1 41 spraying process of section
The cylinder section of tank is rotary structure, and automatic spraying process is divided into spirally, reciprocal according to the spraying path of spray gun
Three kinds of processes of formula and pulsed, may be selected any process.
1.1 spirally spraying process
Carrying platform 22 drives spray gun 24 axially at the uniform velocity to move back and forth along tank 4, in the driving portion of tank rolling equipment 3
Points 31 and spur roller gear ring 32 collective effect under, tank 4 is circumferentially at the uniform velocity rotated along it, the axial movement of spray gun 24 and tank 4
Rotary motion carry out simultaneously, spraying path be helical curve, as shown in Figure 10, in the position pair of former and later two ends of cylinder section
The setting residence time of spray gun 24 is sprayed, to reach thickness requirement.
1.2 reciprocating spraying process
Carrying platform 22 drives spray gun 24 to be axially moved along tank 4, after spray gun 24 moves to the other end from cylinder section one end,
It being automatically closed (spray gun), tank 4 is along its certain angle that rotates in a circumferential direction, and then spray gun is then turned on and returns from the cylinder section other end, according to
This analogizes, the reciprocating uniform motion of spray gun 24, the interrupted uniform rotation of tank 4, and spraying path is reciprocating broken line, such as Figure 11 institute
Show.
1.3 pulsed spraying process
Carrying platform 22 drives spray gun 24 to be axially moved along tank 4, and from cylinder section one end to the other end, the every movement of spray gun is certain
Distance, tank rotate in a circumferential direction one week along it, are in relation condition when spray gun 24 is mobile, and spray gun 24 is promoted along axial point type, tank point
Formula rotation, spraying path are discontinuous circle, as shown in figure 12.
Heat insulation layer spray mo(u)lding technique includes three kinds of adhesive, polyurethane foam plastics, polyurea protection layer different materials
Spraying, for each material, can be used one of above-mentioned three kinds of processes.
Bottom 42,43 spraying process of rear cabinet bottom before 2
The preceding bottom 42 of tank and rear cabinet bottom 43 are hyperboloid structure, using identical spraying process.Spray forward and backward bottom
When, rotating electric machine 13 drives spray gun 24 to rotate, and makes the spray head of spray gun 24 to just forward and backward bottom.Bottom sprays automatically and takes tank
Continuously and smoothly's rotation, the technique of the segmentation spraying of spray gun 24, i.e. tank uniform rotation, spray gun 24 is static on contour, a circle spray
After complete, spray gun 24 is moved on next contour, then sprays a circle, and so on, it is completed until bottom sprays, spraying path is such as
Shown in Figure 13, when spraying box bottom, telescope motor 25 controls that rotation of worm gear screw rod 26 is flexible, and spray gun 24 is in moving process along bottom
Double-curved profile, to guarantee that spray gun 24 is consistent with the distance of bottom.Contour is true according to the thickness requirement of breadth and heat insulation layer
Fixed, 24 discharging direction of spray gun is the bi-curved normal direction of bottom, and spraying parameter is identical as cylinder section.
Above-mentioned process can be used for each material of heat insulation layer.
In the present embodiment, it is 2.25m to 3.35m that automatic spraying equipment, which can satisfy diameter, and length is the tank of 5m to 10m
The spraying of cylinder section, front and back bottom.
Claims (8)
1. rocket Cryogenic tank heat insulation layer automatic spraying system, which is characterized in that including bottom mobile platform, spraying equipment and storage
Case rolling equipment；
The spraying equipment includes transmission guiding rail, driving device, carrying platform, rotating arm, spray gun, telescope motor, rotation
Worm gear feed screw, rotating electric machine and power control cabinet；The power control cabinet is arranged on the carrying platform, and fills respectively with the driving
It sets, telescope motor is connected with rotating electric machine；The transmission guiding rail is mounted on the bottom mobile platform, and the carrying is flat
Platform is arranged on the transmission guiding rail, and the driving device is arranged on the carrying platform, and the driving device is used for
The carrying platform is driven to move on the transmission guiding rail；Described rotating arm one end hinge on the carrying platform,
Rotation of worm gear screw rod one end hinge is on the carrying platform, the other end and the rotating arm hinge, the flexible electricity
Machine is connect with the rotation of worm gear screw rod, flexible for controlling the rotation of worm gear screw rod, to adjust the rotation of the rotating arm
Angle；The spray gun is mounted on the rotating arm, and the rotating electric machine is connect with the spray gun, is turned for controlling the spray gun
It is dynamic；
The tank rolling equipment includes drive part, spur roller gear ring and support base；The support base is mounted on the bottom
On mobile platform；The spur roller gear ring movable supporting is on the support base；The drive part and the spur roller gear ring
Connection for driving the spur roller gear ring to rotate, and drives tank to rotate together;
The bottom mobile platform includes rack platform, guide rail and driving mechanism, and the rack platform is in the driving mechanism
It can be moved along the guide rail under driving effect;
The rack platform includes main body rack and detachable bracket, and the detachable bracket is stitched together with main body rack,
The detachable bracket can be separated with the main body rack；The main body rack can edge under the driving effect of the driving mechanism
The guide rail is mobile;
The bottom of the main body rack and detachable bracket is equipped with auxiliary support wheel.
2. rocket Cryogenic tank heat insulation layer automatic spraying system as described in claim 1, which is characterized in that the rack platform
For network.
3. rocket Cryogenic tank heat insulation layer automatic spraying system as described in claim 1, which is characterized in that the support base packet
Support underframe and two supports are included, the support underframe is mounted on the bottom mobile platform, and described two supports are mounted on
On the support underframe；The support is equipped with idler wheel.
4. rocket Cryogenic tank heat insulation layer automatic spraying system as described in claim 1, which is characterized in that the spur roller gear
Ring includes rolling ring and gear wheel, and the gear wheel is mounted on the rolling ring, and the rolling ring is supported on the support base
Two supports on.
5. rocket Cryogenic tank heat insulation layer automatic spraying system as claimed in claim 4, which is characterized in that the gear wheel
Outer diameter is less than the outer diameter of the rolling ring.
6. rocket Cryogenic tank heat insulation layer automatic spraying system as described in claim 1, which is characterized in that the drive part
Including servomotor, gear reducer and gear pair, the servo motor is located at lower section, the servo motor in the middle part of tank cylinder section and subtracts
Fast machine, gear pair are sequentially connected, and the gear pair is connect with the spur roller gear ring.
7. rocket Cryogenic tank heat insulation layer automatic painting method, rocket Cryogenic tank includes preceding bottom, cylinder section and rear cabinet bottom, spy
Sign is that, using rocket Cryogenic tank heat insulation layer automatic spraying system as described in claim 1, which sprays cylinder section
Shi Caiyong spirally, reciprocating or pulsed spraying process；
In spirally spraying process, spray gun is axially at the uniform velocity moved back and forth along tank, and tank is circumferentially at the uniform velocity rotated along it, spray gun
It is axially moved the rotary motion with tank to carry out simultaneously, in the position of former and later two ends of cylinder section is arranged to spray gun the residence time
It is sprayed, to reach thickness requirement；
In reciprocating spraying process, spray gun is axially moved along tank, automatic to close after spray gun moves to the other end from cylinder section one end
It closes, tank is along its certain angle that rotates in a circumferential direction, and then spray gun is then turned on and returns from the cylinder section other end, and so on；
In pulsed spraying process, spray gun is axially moved along tank, from cylinder section one end to the other end, every one spacing of movement of spray gun
From tank rotates in a circumferential direction one week along it, is in relation condition when spray gun is mobile；
When spraying preceding bottom and rear cabinet bottom, tank uniform rotation, spray gun is static on contour, and after a circle has sprayed, spray gun is mobile
Onto next contour, then spray a circle, and so on, it is completed until bottom sprays.
8. rocket Cryogenic tank heat insulation layer automatic painting method as claimed in claim 7, which is characterized in that spray before bottom and
When rear cabinet bottom, for spray gun along the double-curved profile of forward and backward bottom in moving process, spray gun discharging direction is forward and backward bottom hyperbolic
The normal direction in face.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410479961.5A CN105834028B (en) | 2015-01-13 | 2015-01-13 | Rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method |
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| CN201410479961.5A CN105834028B (en) | 2015-01-13 | 2015-01-13 | Rocket Cryogenic tank heat insulation layer automatic spraying system and spraying method |
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| CN105834028B true CN105834028B (en) | 2019-10-29 |
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| CN112439607B (en) * | 2020-11-13 | 2022-04-22 | 上海航天化工应用研究所 | Automatic inner wall spraying device and spraying method |
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| CN103008152A (en) * | 2012-12-19 | 2013-04-03 | 江苏长虹汽车装备集团有限公司 | Modular spray coating device |
| CN103386581A (en) * | 2013-08-21 | 2013-11-13 | 中国重汽集团柳州运力专用汽车有限公司 | Pot body welding equipment |
| CN203620827U (en) * | 2013-10-29 | 2014-06-04 | 中国石油天然气集团公司 | Liquid coating automatic spraying and repairing device for steel pipeline |
| CN103623971A (en) * | 2013-11-05 | 2014-03-12 | 清华大学 | Spraying mechanism based on four-degree-of-freedom spraying module |
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|---|---|
| CN105834028A (en) | 2016-08-10 |
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